Immersion Controller, Application Circulator, High Limit, Low Limit, Maximum Control Temperature 240 Degrees F, Minimum Control Temperature 100 Degrees F, Differential Temperature 5 Degrees F to 30 Degrees F Adjustable, Mounting Orientation Horizontal, Number of Switches 1, Switch Action Breaks R-B, Makes R-W, Burner Circuit Voltage Type Millivolt, Capillary Tube Length 3 in, Spud Size Not Applicable, Contact Form SPDT, Multizone Control Compatible Not Applicable